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ANALYSIS OF THE PRESSUREMETER TEST ALLOWING FOR VOLUME CHANGE

An extension of the analysis of undrained pressuremeter tests, which allows the complete undrained shear stress-shear strain curve to be derived directly from the observed relation between the applied pressure and the radial expansion of the membrane of the pressuremeter, is presented. It takes account of volume change, thus facilitating pressuremeter tests in permeable soils such as sands, silts and silty clays. The likely consequences of applying the new analysis are assessed. /TRRL/